... ,setting rod at H.t.,cathodes,electrode,heater element,etcW2Applied for making lead,support,electrode,electrode.Chemical Composition(%) WFeMoother impurities≥99.95≤0 ... .0GROUND TUNGSTEN ROD1.014.0Diameter Tolerance DiameterBlack tungsten rodGround tungsten rod diameter toleranceroundnessdiameter toleranceroundness0.40Rod